Reactions carried out by N2 fixing microbes include
(i)
(ii)
Which of the following statements about these equations is not true?
1. | Step (i) is carried out by Nitrosomonas or Nitrococcus |
2. | Step (ii) is carried out by Nitrobacter |
3. | Both steps (i) and (ii) can be called nitrification |
4. | Bacteria carrying out these steps are usually photoautotrophs |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWith regard to the biological nitrogen fixation by Rhizobium in association with soyabean, which one of the following statement/ statements does not hold true.
1. | Nitrogenase may require oxygen for its functioning. |
2. | Nitrogenase is Mo-Fe protein |
3. | Leg-haemoglobin is a pink coloured pigment. |
4. | Nitrogenase helps to convert N2 gas into two molecules of ammonia. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology